CSV to JSON Converter

Convert CSV data into structured JSON with header detection, custom delimiters and quoted-value support.

Developer100% client-sideFree · no sign-up

csv-to-json — tool

CSV input

First row is a header

Delimiter

JSON output

Your input is processed locally in the browser. Nothing is uploaded.

runs 100% client-side · your data never leaves the browser

how_to — csv-to-json

How to use the csv to json converter

1Paste or type your content into the input box — or click Sample to try it with realistic data.
2Adjust the options above the result to control how the output is produced.
3The result updates automatically as you type, then copy or download it when you are happy.

Papa Parse samples the first rows and chooses the delimiter (comma, semicolon, tab or pipe) that produces the most consistent column count.

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